diff --git a/files/systemd/postgres.conf b/files/systemd/postgres.conf
index 2bb81bb..3e1fe0e 100644
--- a/files/systemd/postgres.conf
+++ b/files/systemd/postgres.conf
@@ -1,2 +1,3 @@
 [Service]
+ExecStart=
 ExecStart=/usr/bin/postgres -D ${PGDATA} -c config_file=/etc/postgres/postgresql.conf